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Commit 823b0c9d authored by Weston Andros Adamson's avatar Weston Andros Adamson Committed by Trond Myklebust
Browse files

nfs: rename members of nfs_pgio_data 



Rename "verf" to "writeverf" and "pages" to "page_array" to prepare for
merge of nfs_pgio_data and nfs_pgio_header.

Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarWeston Andros Adamson <dros@primarydata.com>
Signed-off-by: default avatarTrond Myklebust <trond.myklebust@primarydata.com>
parent 1e7f3a48

fs/nfs/blocklayout/blocklayout.c

+10 −7
Original line number Diff line number Diff line
@@ -258,7 +258,8 @@ bl_read_pagelist(struct nfs_pgio_data *rdata) 
	const bool is_dio = (header->dreq != NULL);



	dprintk("%s enter nr_pages %u offset %lld count %u\n", __func__,

	       rdata->pages.npages, f_offset, (unsigned int)rdata->args.count);

		rdata->page_array.npages, f_offset,

		(unsigned int)rdata->args.count);



	par = alloc_parallel(rdata);

	if (!par)
@@ -268,7 +269,7 @@ bl_read_pagelist(struct nfs_pgio_data *rdata) 


	isect = (sector_t) (f_offset >> SECTOR_SHIFT);

	/* Code assumes extents are page-aligned */

	for (i = pg_index; i < rdata->pages.npages; i++) {

	for (i = pg_index; i < rdata->page_array.npages; i++) {

		if (!extent_length) {

			/* We've used up the previous extent */

			bl_put_extent(be);
@@ -317,7 +318,8 @@ bl_read_pagelist(struct nfs_pgio_data *rdata) 
			struct pnfs_block_extent *be_read;



			be_read = (hole && cow_read) ? cow_read : be;

			bio = do_add_page_to_bio(bio, rdata->pages.npages - i,

			bio = do_add_page_to_bio(bio,

						 rdata->page_array.npages - i,

						 READ,

						 isect, pages[i], be_read,

						 bl_end_io_read, par,
@@ -446,7 +448,7 @@ static void bl_end_par_io_write(void *data, int num_se) 
	}



	wdata->task.tk_status = wdata->header->pnfs_error;

	wdata->verf.committed = NFS_FILE_SYNC;

	wdata->writeverf.committed = NFS_FILE_SYNC;

	INIT_WORK(&wdata->task.u.tk_work, bl_write_cleanup);

	schedule_work(&wdata->task.u.tk_work);

}
@@ -699,7 +701,7 @@ bl_write_pagelist(struct nfs_pgio_data *wdata, int sync) 
		dprintk("pnfsblock nonblock aligned DIO writes. Resend MDS\n");

		goto out_mds;

	}

	/* At this point, wdata->pages is a (sequential) list of nfs_pages.

	/* At this point, wdata->page_aray is a (sequential) list of nfs_pages.

	 * We want to write each, and if there is an error set pnfs_error

	 * to have it redone using nfs.

	 */
@@ -791,7 +793,7 @@ next_page: 


	/* Middle pages */

	pg_index = wdata->args.pgbase >> PAGE_CACHE_SHIFT;

	for (i = pg_index; i < wdata->pages.npages; i++) {

	for (i = pg_index; i < wdata->page_array.npages; i++) {

		if (!extent_length) {

			/* We've used up the previous extent */

			bl_put_extent(be);
@@ -862,7 +864,8 @@ next_page: 
		}





		bio = do_add_page_to_bio(bio, wdata->pages.npages - i, WRITE,

		bio = do_add_page_to_bio(bio, wdata->page_array.npages - i,

					 WRITE,

					 isect, pages[i], be,

					 bl_end_io_write, par,

					 pg_offset, pg_len);

fs/nfs/objlayout/objlayout.c

+2 −2
Original line number Diff line number Diff line
@@ -329,7 +329,7 @@ objlayout_write_done(struct objlayout_io_res *oir, ssize_t status, bool sync) 
	oir->status = wdata->task.tk_status = status;

	if (status >= 0) {

		wdata->res.count = status;

		wdata->verf.committed = oir->committed;

		wdata->writeverf.committed = oir->committed;

	} else {

		wdata->header->pnfs_error = status;

	}
@@ -337,7 +337,7 @@ objlayout_write_done(struct objlayout_io_res *oir, ssize_t status, bool sync) 
	/* must not use oir after this point */



	dprintk("%s: Return status %zd committed %d sync=%d\n", __func__,

		status, wdata->verf.committed, sync);

		status, wdata->writeverf.committed, sync);



	if (sync)

		pnfs_ld_write_done(wdata);

fs/nfs/pagelist.c

+6 −6
Original line number Diff line number Diff line
@@ -484,7 +484,7 @@ EXPORT_SYMBOL_GPL(nfs_pgio_header_free); 
static bool nfs_pgio_data_init(struct nfs_pgio_header *hdr,

			       unsigned int pagecount)

{

	if (nfs_pgarray_set(&hdr->data.pages, pagecount)) {

	if (nfs_pgarray_set(&hdr->data.page_array, pagecount)) {

		hdr->data.header = hdr;

		atomic_inc(&hdr->refcnt);

		return true;
@@ -501,8 +501,8 @@ void nfs_pgio_data_destroy(struct nfs_pgio_data *data) 
	struct nfs_pgio_header *hdr = data->header;



	put_nfs_open_context(data->args.context);

	if (data->pages.pagevec != data->pages.page_array)

		kfree(data->pages.pagevec);

	if (data->page_array.pagevec != data->page_array.page_array)

		kfree(data->page_array.pagevec);

	if (atomic_dec_and_test(&hdr->refcnt))

		hdr->completion_ops->completion(hdr);

}
@@ -530,7 +530,7 @@ static void nfs_pgio_rpcsetup(struct nfs_pgio_data *data, 
	/* pnfs_set_layoutcommit needs this */

	data->mds_offset = data->args.offset;

	data->args.pgbase = req->wb_pgbase + offset;

	data->args.pages  = data->pages.pagevec;

	data->args.pages  = data->page_array.pagevec;

	data->args.count  = count;

	data->args.context = get_nfs_open_context(req->wb_context);

	data->args.lock_context = req->wb_lock_context;
@@ -548,7 +548,7 @@ static void nfs_pgio_rpcsetup(struct nfs_pgio_data *data, 
	data->res.fattr   = &data->fattr;

	data->res.count   = count;

	data->res.eof     = 0;

	data->res.verf    = &data->verf;

	data->res.verf    = &data->writeverf;

	nfs_fattr_init(&data->fattr);

}
@@ -717,7 +717,7 @@ int nfs_generic_pgio(struct nfs_pageio_descriptor *desc, 


	data = &hdr->data;

	nfs_init_cinfo(&cinfo, desc->pg_inode, desc->pg_dreq);

	pages = data->pages.pagevec;

	pages = data->page_array.pagevec;

	while (!list_empty(head)) {

		req = nfs_list_entry(head->next);

		nfs_list_remove_request(req);

fs/nfs/write.c

+5 −4
Original line number Diff line number Diff line
@@ -598,9 +598,9 @@ nfs_clear_request_commit(struct nfs_page *req) 
static inline

int nfs_write_need_commit(struct nfs_pgio_data *data)

{

	if (data->verf.committed == NFS_DATA_SYNC)

	if (data->writeverf.committed == NFS_DATA_SYNC)

		return data->header->lseg == NULL;

	return data->verf.committed != NFS_FILE_SYNC;

	return data->writeverf.committed != NFS_FILE_SYNC;

}



#else
@@ -1095,8 +1095,9 @@ static void nfs_writeback_release_common(struct nfs_pgio_data *data) 
		if (test_bit(NFS_IOHDR_NEED_RESCHED, &hdr->flags))

			; /* Do nothing */

		else if (!test_and_set_bit(NFS_IOHDR_NEED_COMMIT, &hdr->flags))

			memcpy(&hdr->verf, &data->verf, sizeof(hdr->verf));

		else if (memcmp(&hdr->verf, &data->verf, sizeof(hdr->verf)))

			memcpy(&hdr->verf, &data->writeverf, sizeof(hdr->verf));

		else if (memcmp(&hdr->verf, &data->writeverf,

			 sizeof(hdr->verf)))

			set_bit(NFS_IOHDR_NEED_RESCHED, &hdr->flags);

		spin_unlock(&hdr->lock);

	}

include/linux/nfs_xdr.h

+2 −2
Original line number Diff line number Diff line
@@ -1262,13 +1262,13 @@ struct nfs_pgio_data { 
	struct list_head	list;

	struct rpc_task		task;

	struct nfs_fattr	fattr;

	struct nfs_writeverf	verf;		/* Used for writes */

	struct nfs_writeverf	writeverf;	/* Used for writes */

	struct nfs_pgio_args	args;		/* argument struct */

	struct nfs_pgio_res	res;		/* result struct */

	unsigned long		timestamp;	/* For lease renewal */

	int (*pgio_done_cb)(struct rpc_task *task, struct nfs_pgio_data *data);

	__u64			mds_offset;	/* Filelayout dense stripe */

	struct nfs_page_array	pages;

	struct nfs_page_array	page_array;

	struct nfs_client	*ds_clp;	/* pNFS data server */

	int			ds_idx;		/* ds index if ds_clp is set */

};